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We discuss how two tools for processor and memory affinity – taskset and numactl – can be used in OpenMP and Message Passing Interface (MPI) applications to control how processes are moved around ... with various HPC applications. In this article, I present examples for (1) serial applications, (2) OpenMP applications, and (3) MPI applications. I’ll use the same architecture as before: a single-socket system ... Processor affinity with serial, OpenMP, and MPI applications. ... Processor Affinity for OpenMP and MPI ... Processor Affinity for OpenMP and MPI

, universities, and corporations worldwide, helping software developers and users speed up applications and reduce time to solution. Open|SpeedShop supports performance analysis of sequential, MPI, open ... high-performance computing, HPC, Open|SpeedShop, application performance, bottleneck, MPI

Jeff Layton ... disruptive development for data storage. Be sure to keep a sys on it. Infos 3D XPoint: https://en.wikipedia.org/wiki/3D_XPoint Layton, J., and Barton, E. "Fast Forward Storage & IO," http

Jeff Layton ... ://sebastien.godard.pagesperso-orange.fr/man_mpstat.html sysstat: http://sebastien.godard.pagesperso-orange.fr "Finding and Recording Memory Errors" by Jeff Layton, ADMIN HPC , http://www.admin-magazine.com/HPC/Articles/Memory-Errors "Monitoring Client NFS

Jeff Layton ... -Performance Python – Compiled Code and C Interface" by Jeff Layton: http://www.admin-magazine.com/HPC/Articles/High-Performance-Python f2py: http://cens.ioc.ee/~pearu/ f2py users guide: https

Jeff Layton ... . Vuksan's RPMs were my saving grace in installing Ganglia. Thank you, Maciej and Vladimir. Infos "Monitoring HPC Systems: What Should You Monitor?" by Jeff Layton, http://www.admin-magazine

Jeff Layton ... -like Tool" by Jeff Layton, HPC : https://www.admin-magazine.com/HPC/Articles/Bashtop-a-Gorgeous-Top-like-Tool Bottom: https://github.com/ClementTsang/bottom gtop: https

Jeff Layton ... "Top Top-Like Tools" by Jeff Layton, ADMIN , issue 23, 2014: https://www.admin-magazine.com/HPC/Articles/Top-Top-Like-Tools htop: https://github.com/hishamhm/htop atop: https

Jeff Layton ... . Infos "Log Management" by Jeff Layton: https://www.admin-magazine.com/HPC/Articles/Log-Management NTP: https://en.wikipedia.org/wiki/Network_Time_Protocol Splunk: https://www

Jeff Layton ... ://github.com/chaos/pdsh SSH: https://en.wikipedia.org/wiki/Secure_Shell hostlist expressions: https://code.google.com/p/pdsh/wiki/HostListExpressions "Monitoring HPC Systems: Processor and Memory Metrics" by Jeff Layton